Unit+5+Revealing+nature+Understanding+ideas高中英语外研版选择性必修第一册

Unit5Revealingnature

StartingOut&Understandingideas

新标准《英语》高中选择性必修第一册Activity1Lookatthepagefromasciencemagazineandanswerthequestions.1.Whatdoyouknowabouttheseanimals?Whatmakesthemspecial?Komododragon:ItevolvedinAustraliaandspreadwestward…Duck-billedplatypus:Theoldestdiscoveredfossilofitdatesbacktoabout100,000yearsago…Nautilus:Itoftenconsidered“livingfossils”…Theyareallspeciesthatexitthousandsofyearsonearth;Theyareoldandrare(unusual).2.Whatothersimilaranimalsdoyouknowabout?Shareyourknowledgewiththeclass.Activity21.Howcanseedstravel?Howcanthisbenefitplants?Seedsusuallyarecarriedbythewind,water,andanimals.Plantscanhaveabetterchanceatlife.2.Canyouthinkofanotherexampleofseedstravelling?Shareitwiththeclass.•Dandelionseedshavelittleparachutestocatchthewindandgofurther;•Humanscanspreadseedsifseedsgetstucktotheirclothingorshoes.Watchthevideoandanswerthequestions.Activity1Lookattheevolutionarytreeandanswerthequestions.1Whatspeciesdoyourecogniseinthepicture?Paramecium,earthworm,snail,crab,fish,tortoise,bird,horse,human,frog...;alga,moss,fern,plant...2Whatfactorscancausetheprocessofevolution?Theever-changingenvironmentofnature;environmentalchanges;populationimmigration;geneticmutation;culturalpreferences...Activity2Readthepassageandtalkaboutyourunderstandingofthetitle.(Para1)Thecaptainoftheship,theBeagle,wantedsomeonewhowould“profitbytheopportunityofvisitingdistantcountriesyetlittleknown”.Q1:

Whatdoes“who”referto?Q2:Can“theopportunityofdoing”bereplacedby“theopportunitytodo”?Q3:Whowouldbeprofited?A3:Someone.Becauseof“profitby/from”.Q4:Whowaslittleknown?Whatdoes“yet”mean?(Para1)What’smore,hehadrecentlyreceivedaletterfromhisfatherpredictingthathewouldbe“adisgracetoyourselfandallyourfamily”.Q1:

Whatdoes“that”lead?A1:宾语从句Q2:Doeshisfathersupporttheyoungmanornot?A2:No.Hedisagreed.(Para2)Despiteallthis,hisadventuresonthisshipwouldleadtooneofthemostimportantscientificdiscoveries

.A.nowB.inthefutureC.inhistoryD.intheendAnswer:C(Para2)Theyoungmaninquestion,CharlesDarwin,wasageologistandnaturalist,fascinatedbyrocks,plantandanimals.Q1:Whatdoes“inquestion”mean?A1:考虑之中的，被谈论着的Q2:Whatdoes“befascinatedby”mean?A2:着迷于；补充：beobsessedby(Para2)Thejourneygavehimthechancetostudyvarious

intheirnaturalenvironments.A.creaturesB.animalsC.plantsDinsectsAnswer:A(Para2)AfterDarwinhadspentsometimeinSouthAmerican,hisroomontheship

samplesoftheplantsandanimalshehadcollected.A.wasfilledwithB.wasfullbyC.wasattractedbyD.wasenthusiasticaboutAnswer:A&B(Para2)AfterDarwinhadspentsometimeinSouthAmerican,hisroomontheship

samplesoftheplantsandanimalshehadcollected.Q1:Whydoestheauthoruse“hadspent”ratherthan“spent”?A1:因为，spend这个动作发生在becrowded这个动作之前。(Para2)Ashestudiedthese,heaskedhimselfthequestion:howdiddifferentspecies

.A.cometoeffectB.comeonC.comeacrossD.cometothepointAnswer:none(Para3)Atthattime,peoplebelievedthatallspecieshadappearedonEarthatthesametime,andhadnotchangedsince.atthesametime同时sinceadv.此后，后来Q1:Whydoestheauthorusethesametensetowrite“appear”and“change”?A1:因为这两个动词中间用的是and。(Para3)Henoticedthatsomespeciesofanimalswerevery

toeachother.Maybeanimalsevolvedastheyadaptedtotheirchangingenvironments?A.closeB.differentC.identifiedD.trueAnswer:C(Para3)Henoticedthatsomespeciesofanimalswereverysimilartoeachother.Maybeanimalsevolvedastheyadaptedtotheirchangingenvironments?adapt意为“使适应”,常见搭配为adapt(oneself)to,后面接名词或名词短语，意为“(使……)适应于……”。另外adapt还表示“改编”。Wehaveadaptedtoaverydifferentsystemofeducation.我们已经适应了一个非常不同的教育体制。Myeyesadaptedthemselvestothelightofthecloudedmoon.我的眼睛已适应了那朦胧的月光。(Para3)Henoticedthatsomespeciesofanimalswereverysimilartoeachother.Maybeanimalsevolvedastheyadaptedtotheirchangingenvironments?adaptsthfrom根据……改编某物adapt...for... 为……而改写/改编……adaptableadj. 能适应的;可修改的adaptationn. 适应;改编;改写本据我所知,他计划把自己的小说改编成戏剧。AsfarasIknow,heisgoingto

.Answer:adapthisnovelforaplay(Para3)Itwasjustanidea,butenoughtoinspireDarwintolookformoreevidence.A.beatB.encourageC.hinderD.advanceAnswer:Binspiresbtodosth鼓励某人做某事(Para3)Itwasjustanidea,butenoughtoinspireDarwintolookformoreevidence.A.seekB.hideC.searchforD.appearAnswer:A&Clookfor寻找(Para4)Whenthe

Beagle

reachedtheGalápagosIslandsin1835,Darwinsawavarietyofnewspecies,butitwasthebirdsthatinterestedhimthemost.A.alotofB.anumberofC.aamountofD.variousAnswer:D(Para4)Darwinsuspectedthatthefincheshadevolvedfromacommonancestor,whichhadarrivedontheislandsalongtimebefore.A.guaranteedB.confirmedC.guessedD.continueAnswer:Csuspectn.嫌疑人suspectsbofdoingsthbesuspiciousof对……起疑(Para5)Darwinsuspectedthatthefincheshadevolvedfromacommonancestor,whichhadarrivedontheislandsalongtimebefore.A.rootedinB.originatedfromC.tookbackD.datedbacktoAnswer:B&D(Para5)Overtime,ithadslowlyevolvedintomanynewspecies.A.asaresultB.asaconsequenceC.sincethenD.astimewentbyAnswer:D(Para5)Andthatwastheanswertohownewspeciesofplantsandanimalscametoexist:theyevolvedfromearlierancestors.Q1:Whatkindofclausedoes“how”lead?A1:宾语从句(Para6)Itwasnotpublisheduntil1859andimmediatelycausedastorm.Q1:Whenwasthebookpublished?A1:1859.(Para6)ButDarwin’sscientificstudiesweresoconvincingthatmoreandmorepeoplestartedtobelievehistheory.请把so放在句首进行倒装ButsoconvincingwereDarwin’sscientificstudiesthatmoreandmorepeoplestartedtobelievehistheory.convincesbofsth 使某人相信某事convincesbtodosth 说服某人做某事beconvincedof 确信;坚信beconvincedthat... 坚信……(Para7)Today,

OntheOriginofSpecies

isregardedasoneofthemostimportantworkseverwritten.A.isfamousforB.isknownasC.iscuriousaboutD.iscrowdedwithAnswer:BActivity2Mostcommonly,peoplebelievethatajourneymeansatripfromoneplacetoanother,especiallyoveralongdistanceandliterarilyajourneyreferstotheprocessbywhichsomethinggraduallychangesanddevelops.ThetitlemayindicatethatDarwin’sresearchworkleadingtohisdiscoveryofevolutionandtheoriginofspeciestookquitealongtimeandgreatefforts,determinationandcouragetoachieve.Activity3Choosethemainideaofthepassageandgiveyourreasons.1.Darwin’sinterestinvariouslivingthingsmadehimagreatnaturalist.2.Darwin’sjourneyontheBeagleinspiredhisTheoryofEvolution.3.Darwinwentonajourneytoconfirmhistheorythathumanshadevolvedovertime.Thetitleofthepassageis“ajourneyofdiscovery”.SothepassageismainlyabouthowDarwin’sTheoryofEvolutiongeneratedanddevelopedonhisjourneyontheBeagle.Activity4Numberthepuzzlepiecesinorder.Organiseinformationfromthepassageandcompletethem.142351OnhisjourneyontheBealge:

variouslivingthingsintheirnaturalenvironmentsandsamplesoftheplantsandanimalshehadcollected.verysimilartoeachother.2Generateideas•cometoexist?•Maybeanimalsevolvedastheyadaptedtotheirchangingenvironments？3Lookformoreevidencethattherewas